build(deps): bump cfg-expr from 0.15.6 to 0.15.7 (#31303)

Bumps [cfg-expr](https://github.com/EmbarkStudios/cfg-expr) from 0.15.6 to 0.15.7.
- [Release notes](https://github.com/EmbarkStudios/cfg-expr/releases)
- [Changelog](https://github.com/EmbarkStudios/cfg-expr/blob/main/CHANGELOG.md)
- [Commits](https://github.com/EmbarkStudios/cfg-expr/compare/0.15.6...0.15.7)

---
updated-dependencies:
- dependency-name: cfg-expr
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -653,9 +653,9 @@ dependencies = [
 
 [[package]]
 name = "cfg-expr"
-version = "0.15.6"
+version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6100bc57b6209840798d95cb2775684849d332f7bd788db2a8c8caf7ef82a41a"
+checksum = "fa50868b64a9a6fda9d593ce778849ea8715cd2a3d2cc17ffdb4a2f2f2f1961d"
 dependencies = [
  "smallvec",
  "target-lexicon",